[PATCH] perf tool: Add pid/tid filtering to report and script commands
From: David Ahern
Date: Tue Mar 24 2015 - 11:52:58 EST
perf record and top already allow a user to specify a csv of
pids and/or tids of tasks to collect data. Add those options
to the report and script analysis commands to only consider
samples related to the given pids/tids. This is also inline
with the existing comm option.
Signed-off-by: David Ahern <dsahern@xxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Stephane Eranian <eranian@xxxxxxxxxx>
Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
---
tools/perf/Documentation/perf-report.txt | 5 +++++
tools/perf/Documentation/perf-script.txt | 6 ++++++
tools/perf/builtin-report.c | 4 ++++
tools/perf/builtin-script.c | 4 ++++
tools/perf/util/symbol.c | 31 ++++++++++++++++++++++++++++++-
tools/perf/util/symbol.h | 7 +++++++
tools/perf/util/thread.h | 11 +++++++++++
7 files changed, 67 insertions(+), 1 deletion(-)
diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt
index dd7cccdde498..4879cf638824 100644
--- a/tools/perf/Documentation/perf-report.txt
+++ b/tools/perf/Documentation/perf-report.txt
@@ -40,6 +40,11 @@ OPTIONS
Only consider symbols in these comms. CSV that understands
file://filename entries. This option will affect the percentage of
the overhead column. See --percentage for more info.
+--pid=::
+ Only show events for given process ID (comma separated list).
+
+--tid=::
+ Only show events for given thread ID (comma separated list).
-d::
--dsos=::
Only consider symbols in these dsos. CSV that understands
diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt
index a21eec05bc42..79445750fcb3 100644
--- a/tools/perf/Documentation/perf-script.txt
+++ b/tools/perf/Documentation/perf-script.txt
@@ -193,6 +193,12 @@ OPTIONS
Only display events for these comms. CSV that understands
file://filename entries.
+--pid=::
+ Only show events for given process ID (comma separated list).
+
+--tid=::
+ Only show events for given thread ID (comma separated list).
+
-I::
--show-info::
Display extended information about the perf.data file. This adds
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 81c2f3b97c50..b5b2ad4ca9c4 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -669,6 +669,10 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused)
"only consider symbols in these dsos"),
OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
"only consider symbols in these comms"),
+ OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
+ "only consider symbols in these pids"),
+ OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
+ "only consider symbols in these tids"),
OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
"only consider these symbols"),
OPT_STRING(0, "symbol-filter", &report.symbol_filter_str, "filter",
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index f2a348b57b8f..662366ceb572 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -1562,6 +1562,10 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
"only display events for these comms"),
+ OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
+ "only consider symbols in these pids"),
+ OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
+ "only consider symbols in these tids"),
OPT_BOOLEAN('I', "show-info", &show_full_info,
"display extended information from perf.data file"),
OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index a69066865a55..fddeb9073039 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -15,6 +15,7 @@
#include "machine.h"
#include "symbol.h"
#include "strlist.h"
+#include "intlist.h"
#include "header.h"
#include <elf.h>
@@ -1859,6 +1860,20 @@ int setup_list(struct strlist **list, const char *list_str,
return 0;
}
+int setup_intlist(struct intlist **list, const char *list_str,
+ const char *list_name)
+{
+ if (list_str == NULL)
+ return 0;
+
+ *list = intlist__new(list_str);
+ if (!*list) {
+ pr_err("problems parsing %s list\n", list_name);
+ return -1;
+ }
+ return 0;
+}
+
static bool symbol__read_kptr_restrict(void)
{
bool value = false;
@@ -1909,9 +1924,17 @@ int symbol__init(struct perf_session_env *env)
symbol_conf.comm_list_str, "comm") < 0)
goto out_free_dso_list;
+ if (setup_intlist(&symbol_conf.pid_list,
+ symbol_conf.pid_list_str, "pid") < 0)
+ goto out_free_comm_list;
+
+ if (setup_intlist(&symbol_conf.tid_list,
+ symbol_conf.tid_list_str, "tid") < 0)
+ goto out_free_pid_list;
+
if (setup_list(&symbol_conf.sym_list,
symbol_conf.sym_list_str, "symbol") < 0)
- goto out_free_comm_list;
+ goto out_free_tid_list;
/*
* A path to symbols of "/" is identical to ""
@@ -1930,6 +1953,10 @@ int symbol__init(struct perf_session_env *env)
symbol_conf.initialized = true;
return 0;
+out_free_tid_list:
+ intlist__delete(symbol_conf.tid_list);
+out_free_pid_list:
+ intlist__delete(symbol_conf.pid_list);
out_free_comm_list:
strlist__delete(symbol_conf.comm_list);
out_free_dso_list:
@@ -1944,6 +1971,8 @@ void symbol__exit(void)
strlist__delete(symbol_conf.sym_list);
strlist__delete(symbol_conf.dso_list);
strlist__delete(symbol_conf.comm_list);
+ intlist__delete(symbol_conf.tid_list);
+ intlist__delete(symbol_conf.pid_list);
vmlinux_path__exit();
symbol_conf.sym_list = symbol_conf.dso_list = symbol_conf.comm_list = NULL;
symbol_conf.initialized = false;
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index efdaaa544041..09561500164a 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -78,6 +78,7 @@ static inline size_t symbol__size(const struct symbol *sym)
}
struct strlist;
+struct intlist;
struct symbol_conf {
unsigned short priv_size;
@@ -115,6 +116,8 @@ struct symbol_conf {
const char *guestmount;
const char *dso_list_str,
*comm_list_str,
+ *pid_list_str,
+ *tid_list_str,
*sym_list_str,
*col_width_list_str;
struct strlist *dso_list,
@@ -124,6 +127,8 @@ struct symbol_conf {
*dso_to_list,
*sym_from_list,
*sym_to_list;
+ struct intlist *pid_list,
+ *tid_list;
const char *symfs;
};
@@ -295,5 +300,7 @@ int compare_proc_modules(const char *from, const char *to);
int setup_list(struct strlist **list, const char *list_str,
const char *list_name);
+int setup_intlist(struct intlist **list, const char *list_str,
+ const char *list_name);
#endif /* __PERF_SYMBOL */
diff --git a/tools/perf/util/thread.h b/tools/perf/util/thread.h
index 783b6688d2f7..9b8a54dc34a8 100644
--- a/tools/perf/util/thread.h
+++ b/tools/perf/util/thread.h
@@ -7,6 +7,7 @@
#include <sys/types.h>
#include "symbol.h"
#include <strlist.h>
+#include <intlist.h>
struct thread_stack;
@@ -100,6 +101,16 @@ static inline bool thread__is_filtered(struct thread *thread)
return true;
}
+ if (symbol_conf.pid_list &&
+ !intlist__has_entry(symbol_conf.pid_list, thread->pid_)) {
+ return true;
+ }
+
+ if (symbol_conf.tid_list &&
+ !intlist__has_entry(symbol_conf.tid_list, thread->tid)) {
+ return true;
+ }
+
return false;
}
--
2.2.1
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